Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298984 | Image forming apparatus and developer control method | Takashi Yukutake, Shuji Tanaka, Toshikazu Tsumita | 2007-11-20 |
| 6148367 | Controller limiting modification of cache based upon amount of dirty lines in the cache | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Koji Ozawa, Hiroyuki Kitajima +1 more | 2000-11-14 |
| 5809542 | Dumping method for dumping data to a dump data storage device that manages the the dumping of data updated since a previous dump request | Akira Yamamoto, Shigeru Kishiro, Toshio Nakano | 1998-09-15 |
| 5638508 | Method and a system for processing a log record | Sadasaburoh Kanai, Hiroyuki Kitajima, Takashi Sumiyoshi | 1997-06-10 |
| 5623631 | Limiting modification of cache entries in a write-back cache based upon the amount of dirty lines in the cache | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Koji Ozawa, Hiroyuki Kitajima +1 more | 1997-04-22 |
| 5418929 | Controller for storage unit and method of controlling storage unit | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Koji Ozawa, Hiroyuki Kitajima +1 more | 1995-05-23 |
| 5307473 | Controller for storage unit and method of controlling storage unit | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Koji Ozawa, Hiroyuki Kitajima +1 more | 1994-04-26 |
| 5257352 | Input/output control method and system | Akira Yamamoto, Takao Sato, Yoshihiro Asaka, Shigeo Honma, Shigeru Kishiro +3 more | 1993-10-26 |
| 5253351 | Memory controller with a cache memory and control method of cache memory including steps of determining memory access threshold values | Akira Yamamoto, Shigeo Honma, Hiroyuki Kitajima, Akira Kurano, Masafumi Nozawa +4 more | 1993-10-12 |